What keeps the protons in an atomic nucleus from flying away from one another

A strong nuclear force pulls together protons and neutrons in the nucleus

Explanation:

a charge 3q is at the origin, and a charge −2q is on the positive x axis at x=a. part a where on the x-axis would you place a third charge so it would experience no net electric force? enter an expression for the exact answer, which will involve a square-root sign. (do not enter an approximate decimal answer.)

the part of the wave he is travelling on is the crest